18991488

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 53629560

約数和(自身を除く): 34638072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 137, 152, 192, 228, 274, 304, 361, 384, 411, 456, 548, 608, 722, 822, 912, 1083, 1096, 1216, 1444, 1644, 1824, 2166, 2192, 2432, 2603, 2888, 3288, 3648, 4332, 4384, 5206, 5776, 6576, 7296, 7809, 8664, 8768, 10412, 11552, 13152, 15618, 17328, 17536, 20824, 23104, 26304, 31236, 34656, 41648, 46208, 49457, 52608, 62472, 69312, 83296, 98914, 124944, 138624, 148371, 166592, 197828, 249888, 296742, 333184, 395656, 499776, 593484, 791312, 999552, 1186968, 1582624, 2373936, 3165248, 4747872, 6330496, 9495744, 18991488]

約数ペア:

[(1, 18991488), (2, 9495744), (3, 6330496), (4, 4747872), (6, 3165248), (8, 2373936), (12, 1582624), (16, 1186968), (19, 999552), (24, 791312), (32, 593484), (38, 499776), (48, 395656), (57, 333184), (64, 296742), (76, 249888), (96, 197828), (114, 166592), (128, 148371), (137, 138624), (152, 124944), (192, 98914), (228, 83296), (274, 69312), (304, 62472), (361, 52608), (384, 49457), (411, 46208), (456, 41648), (548, 34656), (608, 31236), (722, 26304), (822, 23104), (912, 20824), (1083, 17536), (1096, 17328), (1216, 15618), (1444, 13152), (1644, 11552), (1824, 10412), (2166, 8768), (2192, 8664), (2432, 7809), (2603, 7296), (2888, 6576), (3288, 5776), (3648, 5206), (4332, 4384)]